8o The Ohio Naturalist. [Vol. IV, No. 4, 



Space precludes giving here a detailed record of work by Amer- 

 ican botanists, but the paper in full is published in the Journal of 

 Mycolog}", also printed ou one side of page as a Separate. The 

 following is a summary of the alternate forms whose connection 

 has been demonstrated : 



SUMMARY OF ALTERNATE FORMS. 

 Aecidium albiperidium Arth. — ^Puccinia albiperidia Arth. 

 Aecidium asteratum Schw. — Puccinia caricis-asteris Arth. 

 Aecidium berberidis Pers. — Puccinia poculiformis (Jacq.) Wettst. 

 Aecidium calystegiae Desm.- — Puccinia convolvuli Cast. 

 Aecidium caulicolum Kellerm. — Puccinia caulicola Tr. & Gall. 

 Aecidium cirsii-lanceolati Kellerm. — Puccinia cirsii lanceolati Schroet. 

 Aecidium ellisii Tr. & Gall. — Puccinia subnitens Diet. 

 Aecidium erigeronatum Schw. — Puccinia caricis-erigerontis Arth. 

 Aecidimn euphorbiae Am. Auct. — Uromyces euphorbiae C. & P. 

 Aecidium fraxini Schw. — Puccinia fraxinata (L,k. ) Arth. 

 Aecidium on Helianthus — Puccinia helianthi Schw. 

 Aecidium hibisciatum Schw. — Puccinia hibisciata (Schw. ) Kellerm. (P. nmli- 



lenbergiae Arth. & Holw. ) 

 Aecidium hydnoideuin B. & C. — Puccinia hj-dnoidea (B. & C. ) Arth. 

 Aecidium impatientis Schw. — Puccinia impatientis (Schw.) Arth. (P. rubigo- 



vera Auct. on Elymus virginicus. ) 

 Aecidium jamesianum Pk. — Puccinia jamesiana (Pk.) Arth. (P. bartholo- 



maei Diet. ) 

 Aecidium on Darix decidua, sec Caeoma on Larix decidua. 

 Aecidium lateripes Kellerm. — Puccinia lateripes B. & Kav. 

 Aecidium leucospermum B. & C. — Uromvces lespedezae - procumbentis 



(Schw.) Curt. 

 Aecidium lycopi Ger. — Puccinia angustata Pk. 

 Aecidium oenotherae Pk., see Aecidium peckii DeToni. 

 Aecidium pammelii Trel. — Puccinia panici Diet. 

 Aecidium peckii DeToni (Ae. oenotherae Pk.) — Puccinia peckii (DeToni) 



Kellerm. (P. caricis Auct. p. p.) 

 Aecidium pentstemonis Schw. — Puccinia andropogonis Schw. 

 Aecidium plantaginis Ces. (?) on Plantago rugelii Dec. — Uromyces aristidiae 



E. & E. 

 Aecidium pteleae B. & C— Puccinia windsoriae Schw. 

 Aecidium pustulatum Curt. — Puccinia pustulata (Curt.) Arth. 

 Aecidium [ranunculacearum (?)] on Anemone canadensis L. — Puccinia sim- 



illima Arth. 

 Aecidium ranunculi Schw. — Puccinia eatoniae Arth. 



Aecidium rhamni Pers. — Puccinia rhamni (Pers.) Wettst. ( P. coronata Corda. ) 

 Aecidium rubellum Pers. — Puccinia phragmitis Schum. 

 Aecidium sambuci Schw. — Puccinia sambuci (Schw.) Arlli. (P. atkiusoniana 



Diet., P. boUeyana Sacc.) 

 Aecidium smilacis Schw. — Puccinia amphigena Diet. 

 Aecidium solidaginis Schw. — Puccinia caricis-solidaginis .\rth. 

 Aecidium on Solidago — Uromyces solidagini-caricis Arth. 



